104 lines
5.1 KiB
Plaintext
104 lines
5.1 KiB
Plaintext
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PBXs-Private Branch Exchange
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Your Friend and Mine
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By: Dave S.O.B.
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1. Introduction
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From the dawn of bell man has sought to make free phone calls. The
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PBX was a corprate answer to the reduced rate long distance bill. The PBX
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or Private Branch Exchange has been used for years by large companies so that
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their employee's could dial out throgh a phone line and pay a flat fee per
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month instead of hundred's of little calling card bills.
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2. Disclaimer
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As always all the information provided here withen is made for
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Education and Informational purposes only. The acutal use of this information
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in the real world is neither condoned nor approved apon by the author. The
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author takes no liablity for the actual application of the information
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provided in this document.
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3. Table Of Contents
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1.Introduction
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2.Disclaimer
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3.Table Of Contents
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4.Basic Knowledge
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5.Why You Won't Get Caught
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6.How To Find A PBX
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7.How To Get The Code
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4. Basic Knowledge
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When you plan to get into any system you need to know the basics of
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it to understand and take advantage of it. PBX's are the same way, if you
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don't understand them then you can't use them to their full extent. A PBX or
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Private Branch Exchange are set up by companies to let their employee's call
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and enter their acess code and dial out across the country <and sometimes if
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your lucky the world>. Why not a calling card? Simple, when you have one
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phone line at WATS <1800> dicounted rate the long distance calls are also
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cheaper. When you combine that with a flat fee that is negotiated because of
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mass use of the long distance service for a company you can see how much
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money they can save with it. Now that you understand their purpose you can
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go a step farther. To protect them selves the company had to add a acess code
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for their empoyee's or group of employee's. The codes can range from 1-9
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digits. If it is 10 or more digits be carefull this could be a phone company
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calling card accepter. Now systems vary but usually you enter the code and
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then the number you are dialing. Though in some cases you can enter the number
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and then the code. The nice part about PBX's is how polite they are. If you
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entered the wrong code it will let you enter the number and then either give
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you a busy signal or a message that the code is invalid.
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5. Why You Won't Get Caught.
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You must realize that a company which is large enough to offer a pbx
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on a 1800 number <though their are local pbx's> must have made a deal with
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the long distance company to pay a flat fee per moth. Also remember
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unlike the federal goverment companies have a budget. They would rather
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change the code than try to get you and prosecute you.
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6. How To Find A PBX
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Well, as much as I hate to say.. I have yet to find a program that
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can actually find PBX's. Usually you have to do it by hand. The PBX's that
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are most ideal are found in the 1800 prefix's. 1800-000-XXXX through
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1800-999-XXXX can be scanned for PBX's. Most PBX's will give you a dial tone
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once you reach it, enter the code and then give you another dial tone. Then
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you enter the phone number. Though this can vary. Other PBX's will have a
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automated message that says please enter your acess code, etc.. etc.. To
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find the code length simply go to the part where you enter the code and enter
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one digit at a time, when it responds stop, count how many you have just
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pressed and you have the code length.
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7. How To Get The Code
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Once you find a PBX and find the code length their are a variety of
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programs you can use that will scan codes to find valid ones. How does it do
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that you ask? Easily, the program will enter code/number and then number/code
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the number it enters <which you tell it> should be a TYMNET or Sprintnet or
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any other never busy carrier you know of. The program will then wait for a
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carrier, if it connects within the time given then it logs the number as a
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valid code. One of the best code theifing programs out there is called Code
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Thief. -Note the official release of Code Thief at this time 4-29-94 is 3.1-
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I will include this program with this document. Code Thief has worked for me
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in such away as in finding a code in min 10 mins max 2 hours.
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